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RE: Colours and Colour Blindness

From: Stefen Cook <stefen@cwa.co.nz>
Date: Fri, 18 Feb 2005 09:59:24 +1300
To: "Charles McCathieNevile" <charles@sidar.org>, <w3c-wai-ig@w3.org>

This is a useful tool, it also has an option to show the results for the different types of colour blindness; protanopia, deuteranopia, and tritanopia.


Stefen Cook
Web Developer - Accessibility and Standards
CWA New Media Ltd
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-----Original Message-----
From: w3c-wai-ig-request@w3.org [mailto:w3c-wai-ig-request@w3.org]On
Behalf Of Charles McCathieNevile
Sent: Thursday, 17 February 2005 9:46 p.m.
To: w3c-wai-ig@w3.org
Subject: Re: Colours and Colour Blindness

The best stuff I have read on this in terms of simple reference that seems  
to cover the main stuff is Joe Clark's. (This bit of his book is  

I don't have a web reference to hand, but I believe that the relevant info  
is online.



On Thu, 17 Feb 2005 08:26:55 GMT, Julian Voelcker <asp@tvw.net> wrote:

> I have some clients who keep on insisting on having coloured text on
> coloured backgrounds and so far have only been making sure that there
> is a strong differentiation between the two colours to help with
> Accessibility.
> Is there documentation/research anywhere listing the key colour
> combinations that do/don't work for people with Colour Blindness?
> It is an area that I would like to pay a bit more attention to.

Charles McCathieNevile - Vice Presidente - Fundacion Sidar
charles@sidar.org                      http://www.sidar.org
     (chaals is available for consulting at the moment)
Received on Thursday, 17 February 2005 21:00:18 UTC

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